Anyone think it might be reasonable to add a GUC option that tells
autovacuum to monitor for wraparound only, and not for more general
usage based vacuuming? Something like autovac_wraparound_only. Not
sure I like the idea, but thought it might be worth some discussion.
I believe 8.1 will actually stop allowing transactions if a wraparound
is going to occur.
Joshua D. Drake
Matt
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